However, there is a current trend that you should be aware of, and I don't know how you can ask the hotel ahead of time without drawing attention to yourself.
That is the issue of having to use the room key to activate the elevator. You don't want to have to come down to the lobby every time a client arrives to bring them up to your room!
Perhaps when you make the reservation you can ask about it by framing it as an issue of personal safety. You are a business woman traveling alone & want to make sure that the hotel has the latest in providing safety.
I know that my ATFs have had to deal with the issue, and avoid hotels that have that issue.
Also, let guys know about parking. I always appreciate a little info regarding the parking situation around the hotel.